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100+ Free Extremadura PAU Graphic-Plastic Expression Techniques Practice Questions
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2026 Statistics
Key Facts: Extremadura PAU Graphic-Plastic Expression Techniques Exam
90 min
Time Limit
Comisión Organizadora de la PAU de Extremadura
0–10
Grading Scale (Min 4.0 to combine with Bachillerato)
Extremadura PAU Regulations
EUR 78.26
Ordinary Registration Fee
Universidad de Extremadura (UEx)
100
Practice Questions
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Master the 2026 Extremadura PAU Graphic-Plastic Expression Techniques exam with 100 curated practice questions covering dry/wet artistic media, printmaking techniques, mixed media, digital graphic tools, and color theory.
Sample Extremadura PAU Graphic-Plastic Expression Techniques Practice Questions
Try these sample questions to test your Extremadura PAU Graphic-Plastic Expression Techniques exam readiness. Each question includes a detailed explanation. Start the interactive quiz above for the full 100+ question experience with AI tutoring.
1On the European graphite pencil grading scale (H to B), what does a high 'B' value (such as 6B or 8B) indicate?
A.A higher graphite-to-clay ratio, resulting in a softer lead that deposits darker, richer black marks
B.A higher clay-to-graphite ratio, resulting in a harder lead that produces fine, light grey lines
C.The inclusion of synthetic acrylic polymers, making the drawing lead waterproof and unerasable
D.A wax-based formulation designed exclusively for technical isometric and architectural drafting
Explanation: The 'B' grade stands for Blackness. A higher number preceding 'B' (such as 6B or 8B) indicates a greater proportion of graphite relative to clay binder. This yields a soft lead that sheds graphite particles readily, producing rich, dark, smudgeable lines ideal for expressive tonal drawing.
2What is the defining physical property of natural vine charcoal (carboncillo natural) compared to compressed charcoal?
A.It contains gum arabic binder, making its marks permanent and water-resistant on paper
B.It is produced by carbonizing willow or vine twigs without binders, making it soft and easy to smudge or erase
C.It is manufactured with heavy oil binders to create intense black lines that cannot be lifted with a kneaded eraser
D.It is formed from compressed bone black pigment and clay to produce extremely rigid, scratch-resistant drawing points
Explanation: Vine charcoal (carboncillo natural) is made by baking un-cut willow, lime, or grapevine twigs in oxygen-deprived kilns. Because it contains no added binders, its particles adhere loosely to paper tooth, allowing effortless smudging, blending, and complete erasure with a kneaded eraser.
3Sanguine (sanguina) drawing chalk derives its characteristic reddish-brown color from which natural pigment component?
A.Cadmium sulfide
B.Burnt bone carbon
C.Red iron oxide (hematite)
D.Cobalt aluminate
Explanation: Sanguine is a traditional natural earth chalk rich in hematite (red iron oxide, Fe2O3). Used extensively since the Renaissance for anatomical and figure studies, sanguine provides warm, terracotta-red line work and smooth shading capabilities.
4How do soft pastels (pasteles suaves) differ chemically from oil pastels (pasteles al óleo) in terms of their binder?
A.Soft pastels use linseed oil binders, whereas oil pastels use water-soluble gum arabic
B.Soft pastels use shellac resin binders, whereas oil pastels use egg yolk emulsion
C.Soft pastels use synthetic acrylic emulsion, whereas oil pastels use natural beeswax and dammar resin
D.Soft pastels use minimal water-soluble gum (tragacanth/cellulose), whereas oil pastels use non-drying mineral oil and wax binders
Explanation: Soft pastels consist of raw pigment held together by tiny amounts of dry aqueous binder like gum tragacanth or methylcellulose, leaving a friable chalky deposit. Oil pastels blend pigment with non-drying mineral oils and wax, creating a buttery, waxy film that never completely hardens.
5In colored pencil drawing, what is the term for applying heavy pressure with a colorless blender or light pencil to fuse pigment layers into a continuous, glossy surface?
A.Burnishing
B.Scumbling
C.Sinking in
D.Grattage
Explanation: Burnishing in colored pencil drawing involves applying heavy pressure with a colorless wax blender or light pencil (such as white or cream). This flattens the paper tooth, forces wax/oil pigment particles into a unified layer, and creates a polished, saturated, painterly finish.
6Conté crayons (lápices o barritas Conté), invented during the Napoleonic Wars by Nicolas-Jacques Conté, are formulated using which mixture?
A.Pure graphite powder and natural rubber latex
B.Powdered graphite or charcoal, refined clay, and a small quantity of wax binder
C.Bone black, linseed oil, and calcium carbonate filler
D.Pulverized chalk, gum arabic, and turpentine solvent
Explanation: Nicolas-Jacques Conté developed Conté crayons in 1795 by combining powdered graphite or charcoal with fine clay and a wax binder, then compressing and baking the sticks. They offer firmer control than soft charcoal while producing richer, darker marks than hard graphite.
7Why does a traditional silverpoint (punta de plata) drawing require a specially prepared ground (such as bone ash gesso or primer) on the paper substrate?
A.Silver metal reacts chemically with plain paper cellulose, causing immediate tearing of the page
B.Pure silver lead is too soft and melts unless applied to a cooled plaster substrate
C.Plain paper lacks sufficient abrasive tooth to strip minute metal particles off the silver stylus tip
D.Silverpoint marks are invisible until exposed to ultraviolet light under an acid-etched ground
Explanation: Silver is a relatively hard metal stylus. Plain paper is too soft and smooth to abrade the metal point. Applying a ground containing abrasive minerals (such as calcified bone ash, zinc white, or chalk in glue/gesso) provides the micro-abrasiveness necessary to shave tiny silver particles off the tip onto the surface.
8What tool consisting of tightly rolled felted paper, tapered at both ends, is used by artists to blend graphite and charcoal tonal gradients without introducing finger oils?
A.Squeegee
B.Palette knife
C.Brayer
D.Tortillon (or paper stump / difumino)
Explanation: A tortillon (or blending stump / difumino) is crafted from rolled paper. It allows artists to smudge, soften edges, and blend dry medium particles (charcoal, graphite, pastel) with precision, keeping natural skin oils off the artwork surface.
9What optical change typically occurs when a heavy coat of liquid fixative (fijador) is sprayed onto an un-fixed soft pastel drawing?
A.The pastel particles darken in tone and lose some of their velvety, light-scattering brilliance
B.The pastel pigment shifts completely from warm hues to cool blue-green tones
C.The paper substrate turns transparent due to permanent chemical etching by resin
D.The soft pastel layers immediately dissolve into a water-soluble acrylic gloss medium
Explanation: Soft pastel paintings owe their luminous brilliance to un-bound pigment particles scattering light at micro-angles. Spraying fixative fills the air gaps around particles with resin, lowering refraction contrast, which darkens value tones and reduces delicate chalky texture.
10Which type of eraser is specifically designed to be kneaded into custom shapes to lift charcoal and graphite dust without tearing delicate paper fibers or leaving eraser crumbs?
A.Hard pink rubber eraser
B.Kneaded eraser (goma moldeable o miga de pan)
C.Electric vinyl rotary eraser
D.Abrasive glass-fiber eraser stick
Explanation: A kneaded eraser (goma moldeable) is made of pliable putty-like rubber. Instead of wearing down by friction and generating crumbs, it absorbs pigment particles directly when pressed against the drawing, making it ideal for delicate highlights and clean lifting.
About the Extremadura PAU Graphic-Plastic Expression Techniques Practice Questions
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